LT1587CM#TRPBF

Current - Output:	3A
Base Part Number:	LT1587
Supplier Device Package:	D2PAK-3
Package / Case:	TO-263-4, D²Pak (3 Leads + Tab), TO-263AA
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Short Circuit
Control Features:	--
PSRR:	--
Current - Quiescent (Iq):	10mA
Series:	--
Voltage Dropout (Max):	1.3V @ 3A
Voltage - Output (Max):	5.5V
Voltage - Output (Min/Fixed):	1.25V
Voltage - Input (Max):	7V
Number of Regulators:	1
Output Type:	Adjustable
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

LT1587CM#TRPBF is a 3-terminal, low dropout linear voltage regulator with fixed-frequency internal switches. It provides a continuously variable output voltage, adjustable in 100 mV increments. It is designed to operate on voltages ranging from 1.3V to 14V. It features a wide operating temperature range of -65°C to +125°C and a high accuracy output voltage of 3%.

Operation of LT1587CM#TRPBF

The LT1587CM#TRPBF is an advanced linear voltage regulator, which uses a feedback loop to maintain a constant output voltage over a wide input voltage range and temperature range. The device is driven by an internally fixed frequency oscillator that switches a low on-resistance DMOS switch in series with the adjustable reference source in order to regulate the output voltage.The input voltage is applied to the IN terminal of the voltage regulator, and the output voltage is adjusted by applying a variable control voltage to the ADJ terminal. The output voltage is set by the voltage divider consisting of resistors R1, R2 and R3 connected to the ADJ terminal. The ratio of R1 and R2 determines the output voltage and if this ratio changes, the output voltage also changes. The output voltage can be set from 1.3V to 14V with a 0.1% accuracy.

Features of LT1587CM#TRPBF

The LT1587CM#TRPBF is a very useful voltage regulator in many applications. Its features include: • High accuracy output voltage of 3%. • Fixed-frequency internal switch. • Low dropout voltage of 0.5V. • Wide range output voltage of 1.3V to 14V • Operates over a wide input voltage range. • Operates over a wide temperature range of -65°C to +125°C. • Built-in over-temperature and overcurrent protection. • Low quiescent current.

Applications of LT1587CM#TRPBF

LT1587CM#TRPBF is used in many electronic devices requiring a regulated voltage, such as:• Battery operated devices • Automotive systems • Robotics systems • Medical devices • Power supplies • Industrial systems • Computer/Networking equipment • Communication systems • High-power amplifiers

Conclusion

LT1587CM#TRPBF is a low dropout linear voltage regulator with a wide range output voltage of 1.3V to 14V and a high accuracy output voltage of 3%. It is designed to operate on voltages ranging from 1.3V to 14V. It features a wide operating temperature range of -65°C to +125°C, a low dropout voltage of 0.5V, and a low quiescent current. The device is used in many applications requiring a regulated voltage.

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